[PATCH] Fix libstdc++/7811

[Paolo Carlini]

Hi all,

following up to some private exchanges with Roland McGrath I think I 
have a fix for the PR. Indeed, the below passes make check on x86-Linux 
(glibc2.2.5) and some additional tests.

I'm unsure about the following points: in case LC_ALL is not set is the 
fallback to LANG  really needed (PR submitter implicitly expected this 
to be the case)? Also, if neither are set is always correct that "" -> "C"?

In case, ok for 3.2 too?

Ciao, Paolo.

////////////////////////////

2002-09-05  Paolo Carlini  <pcarlini@unitus.it>
            Roland McGrath  <roland@redhat.com>

        libstdc++/7811
        * src/locale.cc (locale::locale(__s)): Use getenv instead
        of setenv for the environment locale.
        * testsuite/22_locale/ctor_copy_dtor.cc (test03): New.





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